Most of your speculation has revolved around the past, Except the laughingly funny Lovecraft stuff. Just Saying.
As for Cindy, yes the backstory could be molded to place Cindy as Chance. The Creative Department at Universal can put any of the past Characters in any setting they choose, and it all falls into place after it comes out. They made Jack a Mental patient, then a Ringmaster, So anything is possible, Open your creative mind, and forgo thoughts of the past, other than names and identifiable looks.